package com.itcast.reggie.commen;

import com.itcast.reggie.pojo.Employee;
import com.itcast.reggie.pojo.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

//全局异常处理
@ControllerAdvice(annotations = {RestController.class, Controller.class})
@ResponseBody
@Slf4j
public class GlobalExceptionHandler{
    //异常处理方法
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());
        if(ex.getMessage().contains("Duplicate entry")){
            System.out.println(ex.getMessage());
            String[] split = ex.getMessage().split(" ");
            String msg = split[2] + "已存在";
            return R.error(msg);
        }
        return R.error("未知错误");
    }

    //捕获CustomException异常,并返回一个语句
    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){
        log.error(ex.getMessage());
        return R.error(ex.getMessage());
    }

    //捕获所有异常,并返回一个语句
    @ExceptionHandler(RuntimeException.class)
    public R<String> RuntimeHandler(RuntimeException ex){
        log.error(ex.getMessage());
        return R.error("服务器忙");
    }



}
